Module Graphviz.DotAttributes

DotAttributes extends CommonAttributes and implements ATTRIBUTES.

type graph = [
  1. | CommonAttributes.graph
  2. | `Bgcolor of color
    (*

    Sets the background color and the inital fill color.

    *)
  3. | `BgcolorWithTransparency of color_with_transparency
    (*

    Sets the background color and the inital fill color with a transparency component.

    *)
  4. | `Comment of string
    (*

    Comment string.

    *)
  5. | `Concentrate of bool
    (*

    If true, enables edge concentrators. Default value is false.

    *)
  6. | `Fontpath of string
    (*

    List of directories for fonts.

    *)
  7. | `Layers of string list
    (*

    List of layers.

    *)
  8. | `Margin of float
    (*

    Sets the page margin (included in the page size). Default value is 0.5.

    *)
  9. | `Mclimit of float
    (*

    Scale factor for mincross iterations. Default value is 1.0.

    *)
  10. | `Nodesep of float
    (*

    Sets the minimum separation between nodes, in inches. Default value is 0.25.

    *)
  11. | `Nslimit of int
    (*

    If set of f, bounds network simplex iterations by f * <number of nodes> when ranking nodes.

    *)
  12. | `Nslimit1 of int
    (*

    If set of f, bounds network simplex iterations by f * <number of nodes> when setting x-coordinates.

    *)
  13. | `Ranksep of float
    (*

    Sets the minimum separation between ranks.

    *)
  14. | `Quantum of float
    (*

    If not 0.0, node label dimensions will be rounded to integral multiples of it. Default value is 0.0.

    *)
  15. | `Rankdir of [ `TopToBottom | `BottomToTop | `LeftToRight | `RightToLeft ]
    (*

    Direction of rank ordering. Default value is `TopToBottom.

    *)
  16. | `Ratio of [ `Float of float | `Fill | `Compress | `Auto ]
    (*

    Sets the aspect ratio.

    *)
  17. | `Samplepoints of int
    (*

    Number of points used to represent ellipses and circles on output. Default value is 8.

    *)
  18. | `Url of string
    (*

    URL associated with graph (format-dependent).

    *)
]

Attributes of graphs. They include all common graph attributes and several specific ones. All attributes described in the "dot User's Manual, February 4, 2002" are handled, excepted: clusterank, color, compound, labeljust, labelloc, ordering, rank, remincross, rotate, searchsize and style.

type vertex = [
  1. | CommonAttributes.vertex
  2. | `Comment of string
    (*

    Comment string.

    *)
  3. | `Distortion of float
  4. | `Fillcolor of color
    (*

    Sets the fill color (used when `Style filled). Default value is lightgrey.

    *)
  5. | `FillcolorWithTransparency of color_with_transparency
    (*

    Sets the fill color (used when `Style filled) with a transparency component. Default value is fully opaque lightgrey.

    *)
  6. | `Fixedsize of bool
    (*

    If true, forces the given dimensions to be the actual ones. Default value is false.

    *)
  7. | `Layer of string
    (*

    Overlay.

    *)
  8. | `Url of string
    (*

    The default url for image map files; in PostScript files, the base URL for all relative URLs, as recognized by Acrobat Distiller 3.0 and up.

    *)
  9. | `Z of float
    (*

    z coordinate for VRML output.

    *)
]

Attributes of nodes. They include all common node attributes and several specific ones. All attributes described in the "dot User's Manual, February 4, 2002" are handled, excepted: bottomlabel, group, shapefile and toplabel.

type edge = [
  1. | CommonAttributes.edge
  2. | `Arrowhead of arrow_style
    (*

    Sets the style of the head arrow. Default value is `Normal.

    *)
  3. | `Arrowsize of float
    (*

    Sets the scaling factor of arrowheads. Default value is 1.0.

    *)
  4. | `Arrowtail of arrow_style
    (*

    Sets the style of the tail arrow. Default value is `Normal.

    *)
  5. | `Comment of string
    (*

    Comment string.

    *)
  6. | `Constraint of bool
    (*

    If false, causes an edge to be ignored for rank assignment. Default value is true.

    *)
  7. | `Headlabel of string
    (*

    Sets the label attached to the head arrow.

    *)
  8. | `Headport of [ `N | `NE | `E | `SE | `S | `SW | `W | `NW ]
  9. | `Headurl of string
    (*

    Url attached to head label if output format is ismap.

    *)
  10. | `Labelangle of float
    (*

    Angle in degrees which head or tail label is rotated off edge. Default value is -25.0.

    *)
  11. | `Labeldistance of float
    (*

    Scaling factor for distance of head or tail label from node. Default value is 1.0.

    *)
  12. | `Labelfloat of bool
    (*

    If true, lessen constraints on edge label placement. Default value is false.

    *)
  13. | `Layer of string
    (*

    Overlay.

    *)
  14. | `Minlen of int
    (*

    Minimum rank distance between head an tail. Default value is 1.

    *)
  15. | `Samehead of string
    (*

    Tag for head node; edge heads with the same tag are merged onto the same port.

    *)
  16. | `Sametail of string
    (*

    Tag for tail node; edge tails with the same tag are merged onto the same port.

    *)
  17. | `Taillabel of string
    (*

    Sets the label attached to the tail arrow.

    *)
  18. | `Tailport of [ `N | `NE | `E | `SE | `S | `SW | `W | `NW ]
  19. | `Tailurl of string
    (*

    Url attached to tail label if output format is ismap.

    *)
  20. | `Weight of int
    (*

    Sets the integer cost of stretching the edge. Default value is 1.

    *)
]

Attributes of edges. They include all common edge attributes and several specific ones. All attributes described in the "dot User's Manual, February 4, 2002" are handled, excepted: lhead and ltail.

type subgraph = {
  1. sg_name : string;
  2. sg_attributes : vertex list;
  3. sg_parent : string option;
}

Subgraphs have a name and some vertices.